7-eleven Ridge Rd & Route 175 Severn, MD 21144 Phone : (410) 551-6647 7-eleven Business Category Miscellaneous General Merchandise Stores 7-eleven 2616 Annapolis Rd Severn, MD 21144 Phone : (410) 551-6647 7-eleven Business Category Grocery Stores Gas Stations Automated Teller Machines (Atm) Convenience Stores